• Today

    Aug 21

    79°Lo 72°

    Heavy t-storms; mostly cloudy

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      5 mph
  • Fri

    Aug 22

    89°Lo 68°

    Clouds and sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      101°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Aug 23

    82°Lo 68°

    Partly sunny with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Aug 24

    90°Lo 71°

    Very warm with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Aug 25

    89°Lo 67°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      6 mph
    more
Next Previous
Showers and thunderstorms, some heavy 79° Lo 76° RealFeel® 87° / 82°

N

E

S

W

  • Precipitation: 73%
  • Rain: 0.61 in
  • Snow: 0 in
  • Humidity: 88%
  • Cloud Cover: 92%
  • Dew Point: 74° F
  • Visibility: 7 mi
5 mph

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 79° 80° N/A 90°
Low 72° 62° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:39 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:34 AM with 14:40 of moolight, then sets at 5:14 PM

Top Story

Grayslake Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 12:59 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

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